Obverse Diagnostics:

• Incuse hair makes a "V" shape
• No serif on lower left of I in LIBERTY

Reverse Diagnostics:

• Weakness on upper left of shield
• No serif on vertical tip of "G" in FG.

1970-S Large and Small Date Proof Lincoln Cents

Large Date Diagnostics:

• Strong LIBERTY
• Top of 7 in date is below the 9 and 0

Small Date Diagnostics:

• Weak LIBERTY
• Top of 7 in date is in line with 9 and 0

1972-P Type I, Type II, and Type III Ike Dollars

Type I Diagnostics

• Low Relief Design

Type II Diagnostics

• High Relief Design
• No islands below Florida
• Fields virtually merge with earth
• Bottom crater has an incuse line behind it
• No small craters within the lower right crater

Type III Diagnostics

• Earth has three distinct islands beneath Florida
• No outline on bottom crater
• Lower right crater has 2 small craters within it